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https://issues.apache.org/jira/browse/HBASE-8548?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13658800#comment-13658800
 ] 

stack commented on HBASE-8548:
------------------------------

[~nkeywal] You think it this commit on 0.95:

{code}
  4 r1460611 | mbertozzi | 2013-03-25 04:08:56 -0700 (Mon, 25 Mar 2013) | 1 line
  3
  2 HBASE-7807 Introduce HRegionFileSystem and move region fs related code
{code}

and this on trunk:

{code}
  1 ------------------------------------------------------------------------
  0 r1451025 | mbertozzi | 2013-02-27 15:11:25 -0800 (Wed, 27 Feb 2013) | 1 line
  1
  2 HBASE-7807 Introduce HRegionFileSystem and move region fs related code
{code}


I see the patch has a section that is including the offending code.  It is just 
a trunk patch.

Comparing using the coordinates you provided over in hbase-8255 I see more 
differences than just the double postOpen call.  [~mbertozzi] You have any 
input on this one?  On why the differences between what is in trunk vs 0.95?  
Good on you.
                
> postOpen hook called twice
> --------------------------
>
>                 Key: HBASE-8548
>                 URL: https://issues.apache.org/jira/browse/HBASE-8548
>             Project: HBase
>          Issue Type: Bug
>          Components: regionserver
>    Affects Versions: 0.95.0
>         Environment: CentOS
>            Reporter: Roger Ruiz-Carrillo
>         Attachments: HRegion_HBASE-8548-0.95.patch
>
>
> postOpen hook is called twice when a region is initializing:
> Once at the end of the body of the  initializeRegionInternals() method of the 
> HRegion class.
> Once at the end initializeRegionStores() method of the HRegion class; 
> initializeRegionStores() is called inside initializeRegionInternals() and as 
> such causes the postOpen hook to be called twice.

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